feat(VoiceReceiver): Proof of concept - Video recording

src/client/voice/receiver/FFmpegHandler.js

@@ -5,6 +5,8 @@ const { createSocket } = require('dgram');
 const { EventEmitter } = require('events');
 const { Buffer } = require('node:buffer');
 const { Writable } = require('stream');
+const find = require('find-process');
+const kill = require('tree-kill');
 const Util = require('../../../util/Util');
 const { StreamOutput } = require('../util/Socket');
 
@@ -46,11 +48,7 @@ class FFmpegHandler extends EventEmitter {
      */
     this.ready = false;
 
-    /**
-     * The FFmpeg process
-     * @type {ChildProcessWithoutNullStreams}
-     */
-    this.stream = spawn('ffmpeg', [
+    const stream = spawn('ffmpeg', [
       '-reorder_queue_size',
       '50',
       '-err_detect',
@@ -73,9 +71,15 @@ class FFmpegHandler extends EventEmitter {
       '500000',
       '-y',
       '-f', // Specify the format
-      'matroska', // MKV format
+      'mpegts', // MKV format
       isStream ? this.outputStream.url : output,
     ]);
+
+    /**
+     * The FFmpeg process
+     * @type {ChildProcessWithoutNullStreams}
+     */
+    this.stream = stream;
     this.stream.stdin.write(sdpData);
     this.stream.stdin.end();
     this.stream.stderr.once('data', data => {
@@ -101,6 +105,17 @@ class FFmpegHandler extends EventEmitter {
     const message = Buffer.from(payload);
     this.socket.send(message, 0, message.length, this.portUdp, '127.0.0.1', callback);
   }
+
+  destroy() {
+    const ffmpegPid = this.stream.pid; // But it is ppid ;-;
+    const args = this.stream.spawnargs.slice(1).join(' '); // Skip ffmpeg
+    find('name', 'ffmpeg', true).then(list => {
+      let process = list.find(o => o.pid === ffmpegPid || o.ppid === ffmpegPid || o.cmd.includes(args));
+      if (process) {
+        kill(process.pid);
+      }
+    });
+  }
 }
 
 module.exports = FFmpegHandler;

src/client/voice/receiver/Receiver.js

@@ -59,6 +59,7 @@ class VoiceReceiver extends EventEmitter {
    * @typedef {Object} ReceiveVideoStreamOptions
    * @property {number} [portUdp] The UDP port to use for the video stream (local stream).
    * @property {string} [codec='H264'] The codec to use for encoding the video. Default is 'H264'.
+   * <info>H265 supported, but not implemented</info>
    * @property {any} [output] Additional output options, as required.
    */
 
@@ -70,9 +71,10 @@ class VoiceReceiver extends EventEmitter {
    * @param {ReceiveVideoStreamOptions} options Options.
    * @returns {FFmpegHandler} The video stream for the specified user.
    */
-  createVideoStream(user, { portUdp, codec = 'H264', output } = {}) {
+  createVideoStream(user, { portUdp, codec, output } = {}) {
     user = this.connection.client.users.resolve(user);
     if (!user) throw new Error('VOICE_USER_MISSING');
+    codec = 'H264';
     const stream = this.packets.makeVideoStream(user.id, portUdp, codec, output);
     return stream;
   }

src/util/Util.js

@@ -68,7 +68,7 @@ const payloadTypes = [
     priority: 5000,
     payload_type: 109,
     rtx_payload_type: 110,
-    encode: true,
+    encode: false,
     decode: false,
   },
 ];
@@ -951,7 +951,6 @@ class Util extends null {
       payloadType = payload.payload_type;
     } else {
       const payloadType = packet[1] > 120 ? packet[1] & 0x80 : packet[1];
-      console.log('payloadType', payloadType, packet, portUdp);
       payload = payloadTypes.find(p => p.payload_type === payloadType);
     }
     let sdpData = `o=- 0 0 IN IP4 127.0.0.1